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Finding the Fourth Proportional to 64,583.92, 89,133.78 and 36,289

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Solution

The fourth proportional to 64,583.92, 89,133.78 and 36,289 is: 50,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,583.92 : 89,133.78 = 36,289 : x
  2. Step 2: Convert to fraction form
    64,583.92/89,133.78 = 36,289/x
  3. Step 3: Cross multiply
    64,583.92x = 89,133.78 × 36,289
  4. Step 4: Simplify right side
    64,583.92x = 3,234,575,742.42
  5. Step 5: Solve for x
    x = 3,234,575,742.42/64,583.92
  6. Step 6: Final answer
    x = 50,083.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.